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Current conditions at
Decatur Airport (KDEC)
Lat: 39.83°NLon: 88.87°WElev: 670ft.
Fair
47°F
8°C
| Humidity | 71% |
| Wind Speed | S 6 mph |
| Barometer | 30.39 in (1029.3 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | NA |
| Wind Chill | 44°F (7°C) |
| Last update | 18 Oct 10:54 pm CDT |
Extended Forecast for
Weldon IL
Tonight
Low: 38 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 39 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Wednesday
High: 75 °F
Sunny
Wednesday Night
Low: 46 °F
Clear
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 48 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 38. South southeast wind 3 to 6 mph.
Monday
Sunny, with a high near 72. Light south southeast wind.
Monday Night
Mostly clear, with a low around 39. Light east wind.
Tuesday
Sunny, with a high near 74. Light east wind.
Tuesday Night
Mostly clear, with a low around 45. East northeast wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 75. Calm wind.
Wednesday Night
Clear, with a low around 46. Calm wind.
Thursday
Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Weldon IL
40.1°N 88.75°W (Elev. 699 ft)
40.1°N 88.75°W (Elev. 699 ft)
10:11 pm CDT Oct 18, 2026
11pm CDT Oct 18, 2026-6pm CDT Oct 25, 2026
Additional Resources
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